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= Hints for difficult problems =
 
= Hints for difficult problems =
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#How many 3-digits numbers can be formed from the digits 0,1,2,3 and 4 without repetition?[[Class10_permutations_and_combinations_problems#Problem_1 Solution]]
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#[[Class10_permutations_and_combinations_problems#Problem_2]]
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#[[Class10_permutations_and_combinations_problems#Problem_3]]
    
= Project Ideas =
 
= Project Ideas =
3,913

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